LG 22LG3000 Service Manual page 81

R602 4.7K OHM 1/10W
16 SPK_L
R604 4.7K OHM 1/10W
R605
0 OHM 1/10W
OFF_MUTE R607 Q602 VPA R608
1K OHM 1/10W MMBT3904 C609
0.47uF
VOL_MUTE
R610
47K OHM 1/10W
R615 4.7K OHM 1/10W
16 SPK_R
R617 4.7K OHM 1/10W
AMP_POWER
+24V
FB602
NC/BEAD
16V
FB603
BEAD
AMP_12V
AMP_POWER
FB604
BEAD
R626 VPA
10 OHM +-1% 1/4W
+ C629 + C630
C632
470UF35V 470UF35V
0.1uF/50V
Copyright©2008 LG Electronics.Inc.All right reserved
Only for training and service purposes
All manuals and user guides at all-guides.com
U602
TDA8932BTW
C602 1uF/25V
1
VSSD/HW
R603
5.1K OHM 1/10W C603 2
IN1P
330pF
C605 1uF/25V 3
IN1N
4
DIAG
5
ENGAGE
47K OHM 1/10W 6
POWER UP
R609 7
CGND
Q603 12K OHM 1/10W
MMBT3904 VPA 8
VDDA
9
VSSA
C614 0.1uF/25V
R613 39K OHM 1/10W 10
OSCREF
11
HVPREF
+ C618 12
INREF
47uF/25V C621 C622
0.1uF/25V 0.1uF/25V 13
TEST
C624 1uF/25V 14
IN2N
R616 15
IN2P
5.1K OHM 1/10W C625
330pF
16
VSSD/HW
C628 1uF/25V
AMP_12V
R618
R796
5.6K OHM 1/10W 1.2K OHM 1/10W
R620 Q604
R621 10K OHM 1/10W MMBT3904
33K OHM 1/10W
R622
3K OHM 1/10W
Q605
MMBT3904
+5V
R623 R624
12V-OP 10K OHM 1/10W 0 OHM 1/10W
R633 NC Q606 + C631
330UF16V
MMBT3906
R627
NC
32
VSSD/HW
31 C604 0.1uF/25V
OSCIO
30 HVP1 C606
HVP1
AMP_POWER
0.1uF/50V
29
VDDP1
28 C607 0.015uF R606 C608 470pF
BOOT1
10 OHM 1/4W
27
OUT1
26
VSSP1
25
STAB1
C613 0.1uF/25V
24
STAB2
23
VSSP2
22
OUT2
21 R614 C620 470pF
BOOT2
C619 0.015uF 10 OHM 1/4W
20
VDDP2
HVP2
19 AMP_POWER 0.1uF/50V
HVP2
C623
18
DREF
17 C626 C627
VSSD/HW
0.1uF/25V 0.1uF/25V
R264
20 AMP_SHUT
1K OHM 1/10W
R739 0 OHM 1/10W
LINE_MUTE 7,16
16 HPDET#
D601 LL4148
R740
NC
D603
LL4148
R625
10 AMP_MUTE
1K OHM 1/10W
D604 LL4148 OFF_MUTE
R628
100K OHM 1/10W
T P V ( Top Victory Electronics
絬 隔 瓜 絪 腹
Key Component Audio MP Class D
Date Friday , June 20, 2008
- 81 -
L602 FB612 1 2
22uH +-25% 70 OHM
HVP1 1 2
FB613 70 OHM
C610
+
NC C611 C612
R611 NC 0.68uF/63V 680uF/25V
R612 NC
C615 4
C616 C617 680uF/25V 3
NC 0.68uF/63V 2
HVP2 1 2 1
FB614 70 OHM
L601
22uH +-25%
1 2
FB615 70 OHM
D605
LL4148
VOL_MUTE
D602
LL4148
R619
NC
OFF_MUTE 16
AMP_12V
R727
R725 4.7K OHM 1/10W
0 OHM 1/10W
EarMuteB
Q613
MMBT3904
R726 R728 C743
47K OHM 1/10W 1uF/16V
13K OHM 1/10W
Co . , Ltd. ) OEM MODEL Size
TPV MODEL Rev
PCB NAME
715T3009
称爹
Sheet 17 of 21
LGE Internal Use Only
CN602
CONN
EarMuteB 16
A3
H
< 称爹 >